package net.solvetheriddle.demo.snake.framework.impl;

import net.solvetheriddle.demo.snake.framework.Audio;
import net.solvetheriddle.demo.snake.framework.FileIO;
import net.solvetheriddle.demo.snake.framework.Game;
import net.solvetheriddle.demo.snake.framework.Graphics;
import net.solvetheriddle.demo.snake.framework.Input;
import net.solvetheriddle.demo.snake.framework.Screen;
import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.os.Bundle;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import android.view.Window;
import android.view.WindowManager;

public class AndroidGame extends Activity implements Game {
  AndroidFastRenderView renderView;
  Graphics graphics;
  Audio audio;
  Input input;
  FileIO fileIO;
  Screen screen;
  WakeLock wakeLock;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
	WindowManager.LayoutParams.FLAG_FULLSCREEN);
    boolean isLandscape = getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
    int frameBufferWidth = isLandscape ? 480 : 320;
    int frameBufferHeight = isLandscape ? 320 : 480;
    Bitmap frameBuffer = Bitmap.createBitmap(frameBufferWidth,
	frameBufferHeight, Config.RGB_565);
    float scaleX = (float) frameBufferWidth
	/ getWindowManager().getDefaultDisplay().getWidth();
    float scaleY = (float) frameBufferHeight
	/ getWindowManager().getDefaultDisplay().getHeight();
    renderView = new AndroidFastRenderView(this, frameBuffer);
    graphics = new AndroidGraphics(getAssets(), frameBuffer);
    fileIO = new AndroidFileIO(getAssets());
    audio = new AndroidAudio(this);
    input = new AndroidInput(this, renderView, scaleX, scaleY);
    screen = getStartScreen();
    setContentView(renderView);
    PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
    wakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, "GLGame");
  }

  @Override
  public void onResume() {
    super.onResume();
    wakeLock.acquire();
    screen.resume();
    renderView.resume();
  }

  @Override
  public void onPause() {
    super.onPause();
    wakeLock.release();
    renderView.pause();
    screen.pause();
    if (isFinishing())
      screen.dispose();
  }

  @Override
  public Input getInput() {
    return input;
  }

  @Override
  public FileIO getFileIO() {
    return fileIO;
  }

  @Override
  public Graphics getGraphics() {
    return graphics;
  }

  @Override
  public Audio getAudio() {
    return audio;
  }

  @Override
  public void setScreen(Screen screen) {
    if (screen == null)
      throw new IllegalArgumentException("Screen must not be null");
    this.screen.pause();
    this.screen.dispose();
    screen.resume();
    screen.update(0);
    this.screen = screen;
  }

  public Screen getCurrentScreen() {
    return screen;
  }

  @Override
  public Screen getStartScreen() {
    // TODO Auto-generated method stub
    return null;
  }

}
